﻿/* 
 * Copyright 2010 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using log4net;
using System.Reflection;
using System.Collections;

namespace Ngilead.Core.Replicator.Merge
{
    class MergeDictionaryReplicator : DictionaryReplicator
    {
        #region Attributes

        /// <summary> Logger channel</summary>
        private static ILog logger = LogManager.GetLogger(typeof(MergeDictionaryReplicator));

        #endregion

        #region Properties

        /// <summary>
        /// The associated persistence util
        /// </summary>
        public IPersistenceUtil PersistenceUtil { get; set; }

        #endregion

        #region Constructor
        /// <summary>
        /// Constructor
        /// </summary>
        public MergeDictionaryReplicator()
        {
        }

        #endregion

        #region Overridden
        /// <summary>
        /// Override for dictionary replication.
        /// Will wrap the cloned dictionary in persistent map
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="fromDictionary"></param>
        /// <returns></returns>
        public override T ReplicateDictionary<T>(T fromDictionary)
        {
            //	Get and reset proxy informations if any
            //
            Dictionary<string, object> proxyInformations = BeanTransformer.CurrentProxyInformations;
            BeanTransformer.CurrentProxyInformations = null;

            //	Clone dictionary
            //
            T dictionary = base.ReplicateDictionary(fromDictionary);

            //	Turn into persistent collection if needed
            //
            if (proxyInformations != null)
            {
                Object parent = BeanTransformer.GetCurrentParent();
                return (T)PersistenceUtil.CreatePersistentDictionary(parent, proxyInformations, dictionary);
            }
            else
            {
                return dictionary;
            }
        }
        #endregion
    }
}
